. >> reporter: francis shared a moment with joe biden, a man with a gentle, approachable demeanor, now charged with restoring the faith of so many shattered by scandal. >> the church is not a one-man show. he's not going to do it all. but if he can inspire 1.2 billion catholics to be missionaries then the church has a very bright future around the world. >> reporter: now pope francis made another phone call today. this time to benedict, pope emeritus who watched the mass on television. the two will meet in person this weekend. brian? >> anne thompson at the vatican for us tonight. anne, thanks. >>> we are learning more tonight about how close we came to a shooting rampage, this time at the university of central florida. police have just released video taken from helmet cameras as they responded to a 911 call yesterday about a student with a gun. a fire alarm was blaring the whole time. upon entering the dorm room they spotted his body on the floor and at least two weapons nearby. police say he was working off a checklist of his own making which included pulling the fire alarm and wanti